package com.example.allow.config;

import dev.langchain4j.data.document.Document;
import dev.langchain4j.data.document.loader.FileSystemDocumentLoader;
import dev.langchain4j.data.segment.TextSegment;
import dev.langchain4j.memory.ChatMemory;
import dev.langchain4j.memory.chat.ChatMemoryProvider;
import dev.langchain4j.memory.chat.MessageWindowChatMemory;
import dev.langchain4j.model.embedding.EmbeddingModel;
import dev.langchain4j.rag.content.retriever.ContentRetriever;
import dev.langchain4j.rag.content.retriever.EmbeddingStoreContentRetriever;
import dev.langchain4j.store.embedding.EmbeddingStore;
import dev.langchain4j.store.embedding.EmbeddingStoreIngestor;
import dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Arrays;
import java.util.List;

@Configuration
public class AllowAgentConfig {

    //    @Autowired
//    private MongoChatMemoryStore mongoChatMemoryStore;
    @Bean
    public ChatMemory chatMemory() {
        return MessageWindowChatMemory.builder()
                .maxMessages(20)
                .build();
    }


    @Bean
    public ChatMemoryProvider chatMemoryProvider() {
        return memoryId ->
                MessageWindowChatMemory.builder()
                        .id(memoryId)
                        .maxMessages(20)
                        // .chatMemoryStore(mongoChatMemoryStore) // Uncomment if using MongoDB store
                        .build();
    }
    @Bean
    ContentRetriever contentRetrieverAllow() {
        Document document1 = FileSystemDocumentLoader.loadDocument("D:/knowledge/allow.doc");
        Document document2 = FileSystemDocumentLoader.loadDocument("D:/knowledge/allow.md");
        List<Document> documents = Arrays.asList(document1, document2);
        InMemoryEmbeddingStore<TextSegment> embeddingStore = new InMemoryEmbeddingStore<>();
        //使用默认的文档分割器
        EmbeddingStoreIngestor.ingest(documents, embeddingStore);
        //从嵌入存储（EmbeddingStore）里检索和查询内容相关的信息
        return EmbeddingStoreContentRetriever.from(embeddingStore);
    }

    @Autowired
    private EmbeddingStore embeddingStore;
    @Autowired
    private EmbeddingModel embeddingModel;
    @Bean
    ContentRetriever contentRetrieverAllowPinCone() {
        // 创建一个 EmbeddingStoreContentRetriever 对象，用于从嵌入存储中检索内容
        return EmbeddingStoreContentRetriever
                .builder()
                .embeddingModel(embeddingModel)
                .embeddingStore(embeddingStore)
                .maxResults(1)
                .minScore(0.8)
                .build();
    }
}
